oracle分页
select * from (
select rownum row_num,t.* from (
select * from t_
) t) where row_num>((显示页数 - 1) * 每页条数) and row_num<=(显示页数 * 每页条数)
order by
oracle获取随机数
select dbms_random.value from dual;
oracle 分页,oracle 随机数
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